libs/pbd/localtime_r.cc

   1 #ifdef WAF_BUILD
   2 #include "libpbd-config.h"
   3 #endif
   4
   5 #ifndef HAVE_LOCALTIME_R
   6 #include <time.h>
   7 #include <string.h>
   8
   9 #include "pbd/pthread_utils.h"
  10 #include "pbd/localtime_r.h"
  11
  12 #ifdef localtime_r
  13 #undef localtime_r
  14 #endif
  15
  16 struct tm *
  17 localtime_r(const time_t *const timep, struct tm *p_tm)
  18 {
  19         static pthread_mutex_t time_mutex;
  20         static int time_mutex_inited = 0;
  21         struct tm *tmp;
  22
  23         if (!time_mutex_inited)
  24         {
  25                 time_mutex_inited = 1;
  26                 pthread_mutex_init(&time_mutex, NULL);
  27         }
  28
  29         pthread_mutex_lock(&time_mutex);
  30         tmp = localtime(timep);
  31         if (tmp)
  32         {
  33                 memcpy(p_tm, tmp, sizeof(struct tm));
  34                 tmp = p_tm;
  35         }
  36         pthread_mutex_unlock(&time_mutex);
  37
  38         return tmp;
  39 }
  40
  41 #endif